1. Rated operational voltage：DC   10V—16V
2. Rated total working current：   DC   1.16A
3. Maximum operating voltage：DC  24V  lasting for up to 1 hour
4. Excess working voltage：DC  18V  lasting for up to 1 hour
5. Continuous operating time≥24hours，current fluctuation≤±2mA
6. Maximum surface temperature（shell）≤40℃（ambient temperature20℃/hour）
7. Color temperature limit :6000K-8000K
8. Current fluctuation≤±2  mA  (in 24hours)
9.Maximum size(L*W*H):215mm*64mm*30mm